highaltitude.log.20060723

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[16:17] <KC0WYS> well i'm back
[16:17] <KC0WYS> after a two-day power outage
[16:17] <KC0WYS> :(
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[16:21] <KC0WYS> hey
[16:21] <jcoxon> hey
[16:21] <KC0WYS> i was just complaining about a 2-day power outage
[16:22] <jcoxon> wow
[16:22] <jcoxon> thats long
[16:22] <KC0WYS> ya
[16:22] <KC0WYS> it made national news
[16:22] <KC0WYS> half of st. louis has had no power for a few days
[16:22] <KC0WYS> it's interesting -- i have power, but none of the neighbors around me do
[16:23] <jcoxon> odd
[16:23] <KC0WYS> i consider myself lucky...
[16:25] <jcoxon> yeah
[16:25] <phatmonkey> hi all!
[16:26] <phatmonkey> ouch, power shortage
[16:26] <KC0WYS> hey
[16:26] <phatmonkey> uhm, outage
[16:26] <phatmonkey> hey
[16:26] <KC0WYS> ya
[16:26] <phatmonkey> we have a generator that can just about run a few computers and the fridge
[16:26] <phatmonkey> that's all that's needed :D
[16:27] <KC0WYS> yeah a neighbor behind me has a really loud generator that's been running for days
[16:27] <KC0WYS> and all it's wasting energy lighting up their damn front lawn!
[16:27] <phatmonkey> haha
[16:28] <phatmonkey> crazy illness is over now, and i've got a bunch more code done
[16:28] <phatmonkey> controlling servos and reading from thermopiles is all done
[16:28] <KC0WYS> oh sweet
[16:28] <phatmonkey> we could probably put all our code together right now and have a working autopilot
[16:28] <KC0WYS> how are you going to test the thermopiles, though?
[16:28] <phatmonkey> just hook them up to a plane and see how they work really
[16:29] <phatmonkey> that's the best way to debug it
[16:29] <KC0WYS> a motorized plane?
[16:29] <phatmonkey> yes, exactly
[16:29] <KC0WYS> pulling it like a sailplane?
[16:29] <phatmonkey> it's a powered glider we're using, then once the autopilot works, we are just taking off the motor
[16:29] <KC0WYS> oh gotcha
[16:30] <phatmonkey> makes development so much easier
[16:32] <KC0WYS> dsl is still kinda flaky...
[16:32] <KC0WYS> the isp's servers are probably still having problems
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[20:44] Action: phatmonkey sparks conversation
[20:45] Action: icez says firefox just crashed!!!
[20:45] <icez> :/
[20:45] <phatmonkey> probably windows crashing and blaming it on firefox
[20:46] <phatmonkey> firefox does have nasty memory leaks though, bleuch
[20:47] <icez> no
[20:47] <icez> i'm on linux:p
[20:47] <icez> windows got kicked out of da house the day I got the laptop
[20:47] <phatmonkey> good man
[20:48] <phatmonkey> i'm in an assuming everybody has crappy OSs mood, i apologise :P
[20:49] <phatmonkey> jcoxon, do you have that log rotation script?
[20:49] <phatmonkey> i've decided to do it with a bash script so the logging process can just mindlessly dump all the data into one file without having to worry about anything else
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[20:50] <icez> wow I get ads about Bush and Terrorism on an "email verification" email from wikipedia
[20:50] <icez> haha
[20:53] <phatmonkey> hmm...!
[20:56] <KC0WYS> hey what's everyone's thought on plexiglass fogging at high altitude?
[20:56] <KC0WYS> has anyone had any problems?
[20:57] <KC0WYS> maybe not nessesarily just plexiglass, but surfaces in general perhaps
[20:57] <phatmonkey> afaik, the best solution is just to keep camera lenses out in the open, then they normally don't fog up
[20:57] <KC0WYS> oh
[20:57] <KC0WYS> pph
[20:58] <KC0WYS> already took the trouble to cut out and mount plexiglass to each side
[20:58] <KC0WYS> hmm this may be a problem...
[20:58] <phatmonkey> it won't fog up on the outside, but it will on the inside
[20:59] <phatmonkey> can't you just stick the camera out of a hole?
[20:59] <KC0WYS> here's the deal
[20:59] <KC0WYS> the polystyrene box i got from walmart had a handle thingey with a 2-inch hole already cut on each side
[21:00] <KC0WYS> so i mounted the two cameras in front of those and put plexiglass over them
[21:00] <phatmonkey> ah right
[21:00] <KC0WYS> and now i'm a bit worried...
[21:00] <KC0WYS> it hasn't really popped up in my mind as a problem in the past
[21:00] <KC0WYS> but i'm thinking it'll probably fog up
[21:00] <phatmonkey> can you take off the plexiglass?
[21:01] <KC0WYS> it'll rip up the polystyrene -- it's mounted with gobs of hot glue
[21:01] <KC0WYS> i *could* test this with dry ice or something...
[21:01] <KC0WYS> hmm
[21:01] <phatmonkey> hmmm
[21:01] <phatmonkey> cut it off carefully? hehe
[21:02] <phatmonkey> get a new polystyrene thing?
[21:02] <phatmonkey> cut out a hole in the plexiglass and leave the rest there?
[21:02] <KC0WYS> lol that would be hell
[21:02] <KC0WYS> getting a new box would mean building it all over again
[21:02] <icez> take the gun without glue and heat up the glue gobs?
[21:02] <icez> :/
[21:02] <KC0WYS> everything's permanently mounted
[21:02] <KC0WYS> i really want it sealed well because there are plenty of rivers and lakes in the midwest
[21:02] <KC0WYS> it's the wet part of the country
[21:03] <phatmonkey> stick the camera lense through and seal it with some hot glue
[21:04] <KC0WYS> i'll have to mess around with this a bit
[21:04] <KC0WYS> i might end up doing just that
[21:04] <phatmonkey> you can always peel the hot glue off the camera when you've finished
[21:05] <KC0WYS> oh hot gluing the cameras is fine
[21:05] <KC0WYS> that's how they're mounted anyway
[21:06] <icez> what kind of project are you doing KC0WYS ?
[21:07] <KC0WYS> http://kc0wys.homeunix.com/projects/ensure
[21:07] <KC0WYS> btw i'm macfreak4 -- just changed my name
[21:07] <icez> aah
[21:07] <phatmonkey> aaahhh, i wondered who you were :D
[21:08] <jcoxon> grrrrrrr bloody camera
[21:08] <KC0WYS> oh lol sorry
[21:08] <KC0WYS> i should have said something
[21:08] <jcoxon> i knew it was macfreak4
[21:08] <phatmonkey> :::: Join #highaltitude on IRC!!! ::::
[21:08] <phatmonkey> make sure to say it's freenode!
[21:08] <phatmonkey> ah james
[21:08] <KC0WYS> ok
[21:08] <icez> yeah
[21:08] <phatmonkey> <phatmonkey> jcoxon, do you have that log rotation script?
[21:08] <phatmonkey> <phatmonkey> i've decided to do it with a bash script so the logging process can just mindlessly dump all the data into one file without having to worry about anything else
[21:09] <jcoxon> well i might :-D
[21:09] <jcoxon> give me a sec i'll upload it
[21:09] <KC0WYS> there y'are
[21:09] <KC0WYS> changed it
[21:09] <KC0WYS> ;)
[21:09] <jcoxon> it ain't mine though
[21:11] <phatmonkey> ok
[21:11] <phatmonkey> thanks
[21:11] <phatmonkey> defy's right?
[21:12] <phatmonkey> i'll probably just pinch a few snippets anywho
[21:13] <jcoxon> http://www.pegasushabproject.org.uk/pegasus3/software/gpslogrotate.pl
[21:14] <phatmonkey> ta
[21:14] <phatmonkey> eep, perl
[21:14] <phatmonkey> ah well, i'll do it in bash
[21:14] <icez> you got a domain name for it?
[21:14] <icez> :)
[21:15] <phatmonkey> jcoxon, at what sort of filesizes does jffs start choking?
[21:15] <jcoxon> hmm about 400kb i think
[21:15] <jcoxon> can't actually remember
[21:15] <jcoxon> its if you poweroff while writing to a file of more then 400kb
[21:16] <phatmonkey> i'll probably do it by filesize
[21:16] <phatmonkey> hm..,
[21:16] <phatmonkey> ok
[21:16] <phatmonkey> i wonder what the disadvantages of using an ext filesystem are
[21:16] <phatmonkey> i guess with this method i get to gzip it too!
[21:16] <jcoxon> damn camera and its half depress focus malarky
[21:17] <jcoxon> phatmonkey, oh with that method it takes literally no space at all
[21:17] <phatmonkey> yeah
[21:17] <phatmonkey> it's bound to produce masses of logs
[21:17] <phatmonkey> especially for verbose testing :D
[21:18] <phatmonkey> ah well, it'll be good being able to dump the netMMC card
[21:18] <phatmonkey> the connex and robostix are really compact
[21:52] Nick change: malgar2 -> malgar
[22:13] <jcoxon> yaaaaaaaaaaaaayyyyyyyyyyyyyyyyyyyyyyyyy
[22:14] <jcoxon> finally fixed this damn camera
[22:18] <KC0WYS> hehe
[22:18] <KC0WYS> was it the weird focus/shutter button?
[22:18] <jcoxon> yup
[22:18] <KC0WYS> oh yeah
[22:19] <KC0WYS> mine has that too
[22:19] <jcoxon> now i can pack for africa
[22:19] <KC0WYS> hehe
[22:19] <KC0WYS> where in africa are you headed to?
[22:19] <jcoxon> niger
[22:19] <KC0WYS> my father was just in cameroon
[22:19] <KC0WYS> oh kk
[22:19] <jcoxon> oh cool
[22:20] <KC0WYS> yea he was there a month or so
[22:20] <KC0WYS> putting in seismographs
[22:20] <jcoxon> :-)
[22:20] <jcoxon> i'm only out for 2 weeks
[22:20] <KC0WYS> is it a university thing?
[22:20] <KC0WYS> or personal?
[22:22] <jcoxon> uni
[22:22] <KC0WYS> oh kk
[22:22] <jcoxon> http://www.env.leeds.ac.uk/research/ias/dynamics/amma/
[22:23] <KC0WYS> ooh malaria
[22:23] <KC0WYS> fun
[22:23] <jcoxon> yeah started my antimalaria today
[22:24] <KC0WYS> lots of studying is going on in that field in africa, i hear
[22:25] <jcoxon> yup
[22:26] <KC0WYS> well i'm wrapping up this gps/adc logger
[22:27] <KC0WYS> gps altitude is horribly inaccurate, though
[22:28] <KC0WYS> it's disgusting
[22:28] <jcoxon> it is and it isn't
[22:28] <KC0WYS> i'm getting anywhere between 100m and 300m just sitting here
[22:28] <jcoxon> really
[22:28] <KC0WYS> yea
[22:28] <jcoxon> my gps settles down
[22:28] <KC0WYS> it doesn't jump around, though
[22:28] <jcoxon> after a while
[22:28] <KC0WYS> it slowly goes up and down progessively
[22:29] <jcoxon> i find that its good at changes in altitude
[22:32] <jcoxon> hmmm i'm finding lithium batteries get very hot
[22:33] <KC0WYS> how hot?
[22:33] <KC0WYS> something must be wrong!
[22:34] <jcoxon> not burning hot
[22:34] <jcoxon> more hot to touch
[22:34] <jcoxon> this in in one of my cameras
[22:34] <KC0WYS> oh
[22:34] <KC0WYS> hmm
[22:34] <KC0WYS> does the camera have a ccd sensor?
[22:35] <KC0WYS> because then it could just be using a lot of power
[22:35] <KC0WYS> i've calculated that with 4 lithiums my camera, which does have a ccd sensor, can only take 66 pictures on one set of batteries (!!)
[22:35] <jcoxon> its a 6MP samsung
[22:36] <jcoxon> running of 2 AAs
[22:36] <KC0WYS> huh. well, it's probably just taking a bit of power
[22:36] <KC0WYS> or something
[22:37] <KC0WYS> sounds fishy to me, though
[22:37] <jcoxon> at least it'll keep warm at high altitudes
[22:37] <KC0WYS> :P
[22:39] <jcoxon> i'll take some spare norml batteries just in case
[22:39] <jcoxon> right time to for bed now that these cameras work :-D
[22:40] <KC0WYS> hehe ok
[22:40] <KC0WYS> cya
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[22:57] <phatmonkey> hi all
[22:57] <KC0WYS> hi
[23:01] <rocketboy> hi
[23:02] <phatmonkey> eee, i like it when things work
[23:03] <KC0WYS> :)
[23:03] <phatmonkey> i suppose i shouldn't be surprised when things work without hassle, i'm just so used to it
[23:03] <KC0WYS> yeah no kidding...
[23:04] <phatmonkey> i've just realised how compact the hardware is going to be
[23:04] <phatmonkey> it'll be so easy to insulate all this inside the wing
[23:04] <KC0WYS> it all fits *inside* the wing?
[23:04] <KC0WYS> that's awesome!
[23:04] <phatmonkey> it is a flying wing :P
[23:04] <phatmonkey> suppose that's better than having a huge bulge on top
[23:05] <KC0WYS> well, yeah
[23:05] <KC0WYS> is the wing hollow, then, or did you have to hollow part out?
[23:06] <phatmonkey> the slug alone is far bigger than all the hardware i've got together here
[23:06] <phatmonkey> it has a section in the centre for radio gear, i might not have to expand it
[23:06] <phatmonkey> bit it's all foam anyway, so expanding it a little won't reduce strength
[23:06] <phatmonkey> it has a ply spar, with a few carbon strengthening beams
[23:06] <KC0WYS> oh kk
[23:07] <phatmonkey> can't wait to get all this gear up in the air
[23:07] <phatmonkey> when do you think you're going to be launching?
[23:07] <KC0WYS> this weekend
[23:07] <KC0WYS> hopefulling
[23:07] <KC0WYS> hopefully*
[23:07] <phatmonkey> oh wow, awesome!
[23:07] <KC0WYS> but it might be a stretch
[23:07] <KC0WYS> we'll see
[23:08] <phatmonkey> everything going smoothly?
[23:08] <phatmonkey> well, don't rush it
[23:08] <KC0WYS> testing is supposed to happen this week
[23:08] <phatmonkey> be sure that everything is working perfectly
[23:08] <KC0WYS> i'm going to drive around town with the payload in the car and receiving at home
[23:08] <KC0WYS> and put it in a box of dry ice
[23:08] <KC0WYS> things like that
[23:08] <phatmonkey> yeah
[23:10] <KC0WYS> i'm on the last leg of the programming now
[23:11] <KC0WYS> i just have to write the receiving app for the ground station
[23:11] <KC0WYS> the payload programming is virtually done
[23:11] <phatmonkey> nice
[23:11] <phatmonkey> i wonder how much code we've written, hmm
[23:11] <phatmonkey> i might add up the LOC
[23:12] <KC0WYS> man this room is a HORRIBLE mess!
[23:13] <phatmonkey> mess is goood
[23:16] <phatmonkey> 3750ish lines of code
[23:16] <phatmonkey> in about 3 weeks
[23:16] <phatmonkey> hee hee, not bad
[23:16] <KC0WYS> wow
[23:16] <KC0WYS> that's incredible
[23:17] <phatmonkey> meh, it's quite compact for what it is I suppose
[23:17] <phatmonkey> and i've been doing it with a friend, so i didn't write it all
[23:18] <KC0WYS> well still
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[00:00] --- Mon Jul 24 2006